All Stories

  1. Physics

    Explainer: Radioactive dating helps solve mysteries

    Knowing the decay rate of radioactive elements can help date ancient fossils and other artifacts.

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  2. Earth

    Fossil-fuel use is confusing some carbon-dating measurements

    Carbon-14 dating of recent artifacts will soon give scientists confusing results. That’s another price society pays for its reliance on fossil fuels.

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  3. Computing

    Scientists Say: Artificial intelligence

    Artificial intelligence is technology smart enough to do tasks that would normally require human brainpower.

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  4. Plants

    Why dandelions are so good at widely spreading their seeds

    Individual seeds on a dandelion release most easily in response to winds from a specific direction. As the wind shifts, this scatters the seeds widely.

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  5. Climate

    Greenland’s inland ice is melting far faster than anyone thought

    Inland melting of the Northeast Greenland Ice Stream is accelerating — and may contribute far more to sea level rise than earlier estimates suggested.

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  6. Tech

    Will the internet soon reach the one-third of people without it?  

    Access to the internet is a human right, yet much of the world can’t get online. New tech has to be affordable and usable to end this digital divide.

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  7. Health & Medicine

    Toddler now thrives after prenatal treatment for a genetic disease

    Ayla was treated before birth for the rare, life-threatening Pompe disease. Now a thriving 16-month-old toddler, her treatments will still need to continue.

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  8. Fossils

    Let’s learn about pterosaurs

    These ancient flying reptiles were not dinosaurs, but they were close relatives.

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  9. Math

    Meet the newest additions to the metric system

    The metric system just got its first update in 30 years. New prefixes will help scientists interpret the biggest — and smallest — numbers.

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  10. Brain

    Playing video games may improve your memory and attention

    The biggest research study of its kind finds that video gamers perform better on some mental tasks than nongamers do.

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  11. Humans

    This ancient ivory comb reveals a wish to be free of lice

    The comb bears the earliest known complete sentence written in a phonetic alphabet, researchers say.

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  12. Chemistry

    Forensic scientists are gaining an edge on crime

    Advances in forensic science are helping to recover invisible fingerprints and identify missing people from bits of tissue or bone.

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